95503 Zip Code Eureka Humboldt
Today
Aug 05, 2026,
ZIP Code 95503 is located in Eureka, California, in County Humboldt. It serves as an essential reference for accurate mail delivery, this ZIP Code assists identify the accurate postal area for residential and business addresses.
95503 Zip Code – Humboldt, Eureka, CA
The 95503 zip code serves Humboldt. It is a neighborhood in Eureka, California. This code is important for accurate mail delivery. It can also help you find local amenities such as schools, parks and community events. By using zip codes like 95503 you can explore different neighborhoods, it also shows what makes each area unique.
Demographics of Zip Code 95503
Located in Eureka, California, zip code 95503 has a specific population and density that reflect the local community.
Finding the Right Zip Code for Eureka, Humboldt County
If you need to send mail to Eureka Humboldt county, you can easily find the zip code online or by visiting your local post office.
FAQs
How many digits is the Humboldt zip code?
The Humboldt zip code in Eureka is a five-digit number used to identify this specific area.
Does the Humboldt zip code ever change?
Zip codes may change due to postal service updates or administrative reasons. If you are looking for the Humboldt zip code always check for the most current information from official postal sources or local post offices.
Which county is zip code 95503 in?
Zip code 95503 covers areas within Humboldt county, California.